The application of GPS in road engineering is mainly used to establish various road engineering control networks and determine the external control points of aerial survey. With the rapid developm
source:Industry News release time:2022-07-25 Hits: Popular:realtime gps tracker online
The application of GPS in road engineering is mainly used to establish various road engineering control networks and determine the external control points of aerial survey. With the rapid development of high-grade highways, higher requirements have been placed on the survey technology. Due to the long lines and few known points, it is not only difficult to deploy the network with conventional measurement methods, but also difficult to meet the requirements of high precision. At present, GPS technology has been gradually established in China to establish the first-level high-precision control network of the line, and then the wire is encrypted by conventional methods. Practice has proved that the point error within a range of dozens of kilometers is only about 2 cm, which achieves the accuracy that is difficult to achieve by conventional methods, and also greatly shortens the construction period. GPS technology is also used in the control and measurement of extra-large bridges. Because it does not need to see through, it can form a strong mesh shape, improve the accuracy of the point position, and it is also very effective for detecting the fulcrum of conventional measurement. GPS technology also has broad application prospects in tunnel surveying. GPS surveying does not require sight-seeing and reduces the intermediate links of conventional methods. Therefore, it has high speed and high precision, and has obvious economic and social benefits.
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